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Title: Implement `DISALLOW_INSTANTIATION` PyTypeFlags by Snowapril · Pull Request #5286 · RustPython/RustPython · GitHub

Open Graph Title: Implement `DISALLOW_INSTANTIATION` PyTypeFlags by Snowapril · Pull Request #5286 · RustPython/RustPython

X Title: Implement `DISALLOW_INSTANTIATION` PyTypeFlags by Snowapril · Pull Request #5286 · RustPython/RustPython

Description: This revision implement DISALLOW_INSTANTIATION PyTypeFlags to prevent several type from instantiating which is not intended.

Open Graph Description: This revision implement DISALLOW_INSTANTIATION PyTypeFlags to prevent several type from instantiating which is not intended.

X Description: This revision implement DISALLOW_INSTANTIATION PyTypeFlags to prevent several type from instantiating which is not intended.

Opengraph URL: https://github.com/RustPython/RustPython/pull/5286

X: @github

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Set tp_new slot when build heap/static typehttps://github.com/RustPython/RustPython/pull/5286/commits/61d7d66624c4acb9b9e8d6a2a5f02a3314e71fbd
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Improve type tp_call impl to check tp_new existence and error if not …https://github.com/RustPython/RustPython/pull/5286/commits/79cd7d17aa5ea8d321a87eb80a48bfeceb79b1a1
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